Ticket #2720: 2720.patch

src/includes/common/functions.php

@@ -1275 +1275 @@
                 $topic_url
         );
 
-        $message = apply_filters( 'bbp_forum_subscription_mail_message', $message, $topic_id, $forum_id, $user_id );
+        $message = apply_filters( 'bbp_forum_subscription_mail_message', $message, $topic_id, $forum_id );
         if ( empty( $message ) ) {
                 return;
         }
 
         // For plugins to filter titles per reply/topic/user
-        $subject = apply_filters( 'bbp_forum_subscription_mail_title', '[' . $blog_name . '] ' . $topic_title, $topic_id, $forum_id, $user_id );
+        $subject = apply_filters( 'bbp_forum_subscription_mail_title', '[' . $blog_name . '] ' . $topic_title, $topic_id, $forum_id );
         if ( empty( $subject ) ) {
                 return;
         }